Shigaite and Labradorite Physical Properties

Shigaite

Labradorite

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.322.69-2.72

1 7.18

1.5 Fracture

Flexible Flexible fragments.

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {0001}

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

Not Available

(Na,Ca)_1-2Si_3-2O₈

Shigaite and Labradorite Chemical Formula

While comparing Shigaite and Labradorite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Shigaite and Labradorite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Shigaite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.